Home›Philatelic terminology›invert error🌐EnglishEnglishРусскийالعربيةفارسیहिन्दीEntityQ1981896· pop 6· linked from 25 articlesinvert errorAlso known as invert, invert errorspostage stamp with upside-down printingWikidata factsImageTonga Inverted Head Block 1897.jpgShow 1 more factCommons categoryInvert errorsSources (1)wikidata.orgvia Wikidata · CC0Available in 6 languagesРусскийالعربيةहिन्दीRomanianفارسیvia Wikidata sitelinks · CC0ConnectionsphilatelyEntitywatermarkEntityCategoriesPhilatelic terminologyPostage stamp invert errorsStamp collecting